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In jet refrigerators, the refrigerating fluid is practically always

A. Water

B. Ammonia

C. Freon

D. Brine

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. For a real gas, the chemical potential is given by
  2. Critical temperature is defined as the temperature above which a gas will
  3. Extensive properties of a thermodynamic system depend upon the __________ of the system.
  4. A refrigerator works on the principle of __________ law of thermodynamics.
  5. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
  6. The unit of fugacity is the same as that of the
  7. Joule-Thomson Co-efficient at any point on the inversion curve is
  8. The effect of changing the evaporator temperature on COP as compared to that of changing the condenser…
  9. In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
  10. In the reaction; N2 + O2 2NO, increasing the pressure will result in
  11. Which of the following will increase the volume of a real gas by four times?
  12. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  13. Pick out the correct statement.
  14. In a homogeneous solution, the fugacity of a component depends upon the
  15. Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 >…
  16. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…
  17. As the time is passing, entropy of the universe
  18. Which of the following units is not present in both the vapor compression refrigeration system and absorption…
  19. An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done…
  20. Which of the following is not a common refrigerant?
  21. Refrigeration capacity of a household refrigerator may be round about __________ tons.
  22. Claude's liquefaction process employs the cooling of gases by
  23. For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
  24. Which law of the thermodynamics provides basis for measuring the thermodynamic property?
  25. Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the
  26. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
  27. Entropy change for an irreversible isolated system is
  28. Throttling (Joule-Thomson effect) process is a constant __________ process.
  29. The unit of equilibrium constant of a chemical reaction is the same as that of
  30. For a stable phase at constant pressure and temperature, the fugacity of each component in a binary…